I'm running a 235 Chevy with fenton intake, dual carbs, HEI, split headers, etc. Internally, it is freshly rebuilt, but stock. This is a powerglide car. Currently I have a pair of rebuilt rochesters on it. They were running very lean, but I have fattened them up and fiddled with them for months. They constantly leak fuel and cause the engine to stumble and pop with hard acceleration from a dead start. They also foul plugs very regularly. Once cruising, they run great. I want to swap out the carbs for Carter YF's or possibly some kind of Weber. What carbs are recommended for a dual setup on a mostly stock 235?